| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 40.0 | USD | 20190111 |
| Unknown | China national standards | MT | 1260.0 | USD | 20190101 |
| Unknown | China national standards | MT | 230.0 | USD | 20190101 |
| Unknown | China national standards | MT | 1100.0 | USD | 20190101 |
| Unknown | China national standards | MT | 40.0 | USD | 20190101 |
| Unknown | China national standards | MT | 30.0 | USD | 20190101 |
| Unknown | China national standards | MT | 180.0 | USD | 20190101 |
| Unknown | China national standards | MT | 40.0 | USD | 20181223 |
| Unknown | China national standards | MT | 530.0 | USD | 20181223 |
| Unknown | China national standards | MT | 200.0 | USD | 20181223 |